*{margin:0;padding:0;}
html,body,#app,.wrapper{
    width:100%;
    height:100%;
    overflow: hidden;
    
}
body{
    font-family:"Helvetica Neue",Helvetica, "Microsoft YaHei", Arial, STHeiTi, sans-serif;
    color:#777777;
}
a{text-decoration: none}
